From f95df6d0b20ad7f8362c18ff0ca4f64ce508794b Mon Sep 17 00:00:00 2001
From: Nathan Bean <nhbean@ksu.edu>
Date: Mon, 26 Aug 2024 14:11:46 -0500
Subject: [PATCH] Fixed negative bit issue in WID generation

---
 src/app.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/app.js b/src/app.js
index 6ef0baf..7e6011e 100644
--- a/src/app.js
+++ b/src/app.js
@@ -75,6 +75,8 @@ app.get('/serviceValidate', (req, res) => {
       hash  = ((hash << 5) - hash) + username.charCodeAt(i);
       hash |= 0; // to 32bit integer
     }
+    // Hash may be negative, if so, set to positive
+    if(hash < 0) hash = -hash
     // WIDs are 9 digits, and start with an 8
     var wid = parseInt(hash.toString().slice(0,8), 10) + 800000000;
     res.send(